Finding the Fourth Proportional to 78,594.22, 108,460.02 and 42,784.49

Step by Step Solution

1. Step 1: Write the proportion equation
   78,594.22 : 108,460.02 = 42,784.49 : x
2. Step 2: Convert to fraction form
   78,594.22/108,460.02 = 42,784.49/x
3. Step 3: Cross multiply
   78,594.22x = 108,460.02 × 42,784.49
4. Step 4: Simplify right side
   78,594.22x = 4,640,407,072.68
5. Step 5: Solve for x
   x = 4,640,407,072.68/78,594.22
6. Step 6: Final answer
   x = 59,042.60